Thanks a lot! Just want to make sure that the “RAS”(FS cords?) and “MNI Talairach” is the MNI305 coords.
发件人: freesurfer-boun...@nmr.mgh.harvard.edu [mailto:freesurfer-boun...@nmr.mgh.harvard.edu] 代表 Douglas Greve 发送时间: 2016年8月30日 21:21 收件人: freesurfer@nmr.mgh.harvard.edu 主题: Re: [Freesurfer] Questions about surface coordanates tksurfer always uses the ?h.orig coordinates. Also keep in mind that the vertex index is 0-based whereas matlab is 1-based. When you click on a point, you should see something like the following print out selected vertex 123491 out of 163842 current -39.11 15.65 11.26 orig -55.67 -10.37 19.95 pial 0.00 0.00 0.00 white -55.76 -10.29 19.93 On 8/30/16 5:12 AM, Dongnandi wrote: Dear Experts, I tried to extract vertex coordinates information from ‘fsaverage/surf/lh.pial’ file using matlab function ‘read_surf’, but I found that the coordinates returned by the function are different from what I saw in tksurfer, here are the screenshots: The vertex index starts from 0 in tksurfer, so I select the second elements in matlab. Why is the result different from what has been shown in tksurfer(also different in freeview)? Which one should I report? Is there any way to transform the surface coordinates to the MNI152 space? Thank you very much! Dong _______________________________________________ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu <mailto:Freesurfer@nmr.mgh.harvard.edu> https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer
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